Steel and Composite Structures

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Influence of polyvinylpyrrolidone on rebar corrosion in sulphate solution

  • Gurten, A. Ali (Department of Chemistry, Faculty of Science and Art, Nigde University) ;
  • Bayol, Emel (Department of Chemistry, Faculty of Science and Art, Nigde University) ;
  • Kayakirilmaz, Kadriye (Department of Chemistry, Faculty of Science and Art, Nigde University) ;
  • Erbil, Mehmet (Department of Chemistry, Faculty of Science and Art, Cukurova University)
  • Received : 2008.01.21
  • Accepted : 2009.01.29
  • Published : 2009.01.25
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Abstract

This paper reports the results of an experimental investigation of the polyvinylpyrrolidone (PVP) influence on the steel reinforcement corrosion and compressive strength of concretes in sulphate medium. The effect of admixture of PVP in concrete on the corrosion resistance of steel reinforced concrete was assessed by measuring electrochemical test during 60 days immersion in two different external solutions. AC impedance spectrum indicated that the resistance of PVP mixed electrodes were higher than those without PVP. The compressive strength of concrete specimens containing PVP was measured and an increase of 19%~24% was observed.

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References

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